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CVE-2018-20211

Estado: ModificadaAlta (7.8)—

ExifTool 8.32 allows local users to gain privileges by creating a %TEMP%\par-%username%\cache-exiftool-8.32 folder with a victim's username, and then copying a Trojan horse ws32_32.dll file into this new folder, aka DLL Hijacking. NOTE: 8.32 is an obsolete version from 2010 (9.x was released starting in 2012, and 10.x was released starting in 2015).

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Exiftool Project — Exiftool

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2018-20211",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-01-02T18:29:01.373",
  "references": [
    {
      "url": "http://packetstormsecurity.com/files/150892/Exiftool-8.3.2.0-DLL-Hijacking.html",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://seclists.org/fulldisclosure/2018/Dec/44",
      "tags": [
        "Exploit",
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://packetstormsecurity.com/files/150892/Exiftool-8.3.2.0-DLL-Hijacking.html",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://seclists.org/fulldisclosure/2018/Dec/44",
      "tags": [
        "Exploit",
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-427"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "ExifTool 8.32 allows local users to gain privileges by creating a %TEMP%\\par-%username%\\cache-exiftool-8.32 folder with a victim's username, and then copying a Trojan horse ws32_32.dll file into this new folder, aka DLL Hijacking.  NOTE: 8.32 is an obsolete version from 2010 (9.x was released starting in 2012, and 10.x was released starting in 2015)."
    },
    {
      "lang": "es",
      "value": "La versión 8.32 de ExifTool permite a los usuarios locales ganar privilegios creando una carpeta %TEMP%\\par-%username%\\cache-exiftool-8.32 con el nombre de una víctima y copiando un archivo troyano \"ws32_32.dll\" a esta nueva carpeta, también conocido como DLL Hijacking. NOTA: La 8.32 es una versión obsoleta del año 2010 (las 9.x se empezaron a distribuir en el 2012 y las 10x en el 2015)."
    }
  ],
  "lastModified": "2026-06-17T01:52:27.510",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:exiftool_project:exiftool:8.32:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "65CA6F69-B3BB-461D-9261-51EBE63ACC08"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}